Sewing machine with automatic needle threader

Details Sewing machine with automatic needle threader Sewing machine with automatic needle threader

2006-12-05

2006-12-05

Worrell, Danny (Department: 3765)

Sewing

Elements

Needles

Reexamination Certificate

active

07143706

ABSTRACT:
A sewing machine includes a needle bar holding a sewing needle having an eye hole, a needle threading mechanism including a threading hook passing a needle thread through the eye hole of the sewing needle, a presser bar with a presser foot attached to its lower end, a vertically moving mechanism vertically moving the presser bar, a drive mechanism driving the vertically moving mechanism, a threading operation unit operating the needle threading mechanism, and a drive mechanism controlling unit controlling the drive mechanism vertically moving the presser bar to a position where interference between the presser foot and threading hook is avoided when the needle threading operation unit is operated.

REFERENCES:
patent: 503899 (1893-08-01), Carson
patent: 2494444 (1950-01-01), Lyle
patent: 2704526 (1955-03-01), Benink et al.
patent: 5086719 (1992-02-01), Ogawa
patent: 5092257 (1992-03-01), Ogawa
patent: 6138594 (2000-10-01), Kito
patent: B2-05-059755 (1993-08-01), None
patent: A-11-276753 (1999-10-01), None

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